41645949 has 4 divisors (see below), whose sum is σ = 55527936. Its totient is φ = 27763964.

The previous prime is 41645941. The next prime is 41645963. The reversal of 41645949 is 94954614.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 41645949 - 2³ = 41645941 is a prime.

It is a super-2 number, since 2×41645949² = 3468770136221202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 41645949.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41645941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6940989 + ... + 6940994.

It is an arithmetic number, because the mean of its divisors is an integer number (13881984).

Almost surely, 2^41645949 is an apocalyptic number.

It is an amenable number.

41645949 is a deficient number, since it is larger than the sum of its proper divisors (13881987).

41645949 is a wasteful number, since it uses less digits than its factorization.

41645949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13881986.

The product of its digits is 155520, while the sum is 42.

The square root of 41645949 is about 6453.3672605857. The cubic root of 41645949 is about 346.6231683383.

The spelling of 41645949 in words is "forty-one million, six hundred forty-five thousand, nine hundred forty-nine".